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Nebulum Mars Rovers API vs ThronesApi

Same instrument, two spec sheets — measured, not claimed.

APINebulum Mars Rovers APIDYING89ThronesApiHEALTHY89
Uptime · 30d
Uptime · 90d92.8%98.3%
Uptime · 30d78.3%100%
P50 · ms454497
P95 · ms14174593
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Nebulum Mars Rovers API vs ThronesApi: common questions

Which is more reliable, Nebulum Mars Rovers API or ThronesApi?

On our scheduled checks, ThronesApi leads on measured uptime — Nebulum Mars Rovers API at 92.8% versus ThronesApi at 98.3% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Nebulum Mars Rovers API or ThronesApi?

Nebulum Mars Rovers API has the lower median latency in our checks — Nebulum Mars Rovers API responds in 454 ms versus ThronesApi at 497 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Nebulum Mars Rovers API and ThronesApi need an API key?

Neither needs a paid key — Nebulum Mars Rovers API is callable with no signup, and ThronesApi is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Nebulum Mars Rovers API and ThronesApi from the browser?

Only ThronesApi is browser-friendly — it returns CORS headers over HTTPS. Nebulum Mars Rovers API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Nebulum Mars Rovers API and ThronesApi free for commercial use?

Nebulum Mars Rovers API has unclear commercial terms, and ThronesApi has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.